nouveau_drv.h revision a11c3198c9ba38d81e25b65e3908d531feba1372
1/*
2 * Copyright 2005 Stephane Marchesin.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef __NOUVEAU_DRV_H__
26#define __NOUVEAU_DRV_H__
27
28#define DRIVER_AUTHOR		"Stephane Marchesin"
29#define DRIVER_EMAIL		"dri-devel@lists.sourceforge.net"
30
31#define DRIVER_NAME		"nouveau"
32#define DRIVER_DESC		"nVidia Riva/TNT/GeForce"
33#define DRIVER_DATE		"20090420"
34
35#define DRIVER_MAJOR		0
36#define DRIVER_MINOR		0
37#define DRIVER_PATCHLEVEL	16
38
39#define NOUVEAU_FAMILY   0x0000FFFF
40#define NOUVEAU_FLAGS    0xFFFF0000
41
42#include "ttm/ttm_bo_api.h"
43#include "ttm/ttm_bo_driver.h"
44#include "ttm/ttm_placement.h"
45#include "ttm/ttm_memory.h"
46#include "ttm/ttm_module.h"
47
48struct nouveau_fpriv {
49	struct ttm_object_file *tfile;
50};
51
52#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
53
54#include "nouveau_drm.h"
55#include "nouveau_reg.h"
56#include "nouveau_bios.h"
57#include "nouveau_util.h"
58struct nouveau_grctx;
59
60#define MAX_NUM_DCB_ENTRIES 16
61
62#define NOUVEAU_MAX_CHANNEL_NR 128
63#define NOUVEAU_MAX_TILE_NR 15
64
65#define NV50_VM_MAX_VRAM (2*1024*1024*1024ULL)
66#define NV50_VM_BLOCK    (512*1024*1024ULL)
67#define NV50_VM_VRAM_NR  (NV50_VM_MAX_VRAM / NV50_VM_BLOCK)
68
69struct nouveau_vram {
70	struct drm_device *dev;
71
72	struct list_head regions;
73	u32 memtype;
74	u64 offset;
75	u64 size;
76};
77
78struct nouveau_tile_reg {
79	bool used;
80	uint32_t addr;
81	uint32_t limit;
82	uint32_t pitch;
83	uint32_t zcomp;
84	struct drm_mm_node *tag_mem;
85	struct nouveau_fence *fence;
86};
87
88struct nouveau_bo {
89	struct ttm_buffer_object bo;
90	struct ttm_placement placement;
91	u32 placements[3];
92	u32 busy_placements[3];
93	struct ttm_bo_kmap_obj kmap;
94	struct list_head head;
95
96	/* protected by ttm_bo_reserve() */
97	struct drm_file *reserved_by;
98	struct list_head entry;
99	int pbbo_index;
100	bool validate_mapped;
101
102	struct nouveau_channel *channel;
103
104	bool mappable;
105	bool no_vm;
106
107	uint32_t tile_mode;
108	uint32_t tile_flags;
109	struct nouveau_tile_reg *tile;
110
111	struct drm_gem_object *gem;
112	int pin_refcnt;
113};
114
115#define nouveau_bo_tile_layout(nvbo)				\
116	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
117
118static inline struct nouveau_bo *
119nouveau_bo(struct ttm_buffer_object *bo)
120{
121	return container_of(bo, struct nouveau_bo, bo);
122}
123
124static inline struct nouveau_bo *
125nouveau_gem_object(struct drm_gem_object *gem)
126{
127	return gem ? gem->driver_private : NULL;
128}
129
130/* TODO: submit equivalent to TTM generic API upstream? */
131static inline void __iomem *
132nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
133{
134	bool is_iomem;
135	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
136						&nvbo->kmap, &is_iomem);
137	WARN_ON_ONCE(ioptr && !is_iomem);
138	return ioptr;
139}
140
141enum nouveau_flags {
142	NV_NFORCE   = 0x10000000,
143	NV_NFORCE2  = 0x20000000
144};
145
146#define NVOBJ_ENGINE_SW		0
147#define NVOBJ_ENGINE_GR		1
148#define NVOBJ_ENGINE_PPP	2
149#define NVOBJ_ENGINE_COPY	3
150#define NVOBJ_ENGINE_VP		4
151#define NVOBJ_ENGINE_CRYPT      5
152#define NVOBJ_ENGINE_BSP	6
153#define NVOBJ_ENGINE_DISPLAY	0xcafe0001
154#define NVOBJ_ENGINE_INT	0xdeadbeef
155
156#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
157#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
158#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
159
160#define NVOBJ_CINST_GLOBAL	0xdeadbeef
161
162struct nouveau_gpuobj {
163	struct drm_device *dev;
164	struct kref refcount;
165	struct list_head list;
166
167	void *node;
168	u32 *suspend;
169
170	uint32_t flags;
171
172	u32 size;
173	u32 pinst;
174	u32 cinst;
175	u64 vinst;
176
177	uint32_t engine;
178	uint32_t class;
179
180	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
181	void *priv;
182};
183
184struct nouveau_page_flip_state {
185	struct list_head head;
186	struct drm_pending_vblank_event *event;
187	int crtc, bpp, pitch, x, y;
188	uint64_t offset;
189};
190
191enum nouveau_channel_mutex_class {
192	NOUVEAU_UCHANNEL_MUTEX,
193	NOUVEAU_KCHANNEL_MUTEX
194};
195
196struct nouveau_channel {
197	struct drm_device *dev;
198	int id;
199
200	/* references to the channel data structure */
201	struct kref ref;
202	/* users of the hardware channel resources, the hardware
203	 * context will be kicked off when it reaches zero. */
204	atomic_t users;
205	struct mutex mutex;
206
207	/* owner of this fifo */
208	struct drm_file *file_priv;
209	/* mapping of the fifo itself */
210	struct drm_local_map *map;
211
212	/* mapping of the regs controling the fifo */
213	void __iomem *user;
214	uint32_t user_get;
215	uint32_t user_put;
216
217	/* Fencing */
218	struct {
219		/* lock protects the pending list only */
220		spinlock_t lock;
221		struct list_head pending;
222		uint32_t sequence;
223		uint32_t sequence_ack;
224		atomic_t last_sequence_irq;
225	} fence;
226
227	/* DMA push buffer */
228	struct nouveau_gpuobj *pushbuf;
229	struct nouveau_bo     *pushbuf_bo;
230	uint32_t               pushbuf_base;
231
232	/* Notifier memory */
233	struct nouveau_bo *notifier_bo;
234	struct drm_mm notifier_heap;
235
236	/* PFIFO context */
237	struct nouveau_gpuobj *ramfc;
238	struct nouveau_gpuobj *cache;
239
240	/* PGRAPH context */
241	/* XXX may be merge 2 pointers as private data ??? */
242	struct nouveau_gpuobj *ramin_grctx;
243	struct nouveau_gpuobj *crypt_ctx;
244	void *pgraph_ctx;
245
246	/* NV50 VM */
247	struct nouveau_gpuobj *vm_pd;
248	struct nouveau_gpuobj *vm_gart_pt;
249	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
250
251	/* Objects */
252	struct nouveau_gpuobj *ramin; /* Private instmem */
253	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
254	struct nouveau_ramht  *ramht; /* Hash table */
255
256	/* GPU object info for stuff used in-kernel (mm_enabled) */
257	uint32_t m2mf_ntfy;
258	uint32_t vram_handle;
259	uint32_t gart_handle;
260	bool accel_done;
261
262	/* Push buffer state (only for drm's channel on !mm_enabled) */
263	struct {
264		int max;
265		int free;
266		int cur;
267		int put;
268		/* access via pushbuf_bo */
269
270		int ib_base;
271		int ib_max;
272		int ib_free;
273		int ib_put;
274	} dma;
275
276	uint32_t sw_subchannel[8];
277
278	struct {
279		struct nouveau_gpuobj *vblsem;
280		uint32_t vblsem_head;
281		uint32_t vblsem_offset;
282		uint32_t vblsem_rval;
283		struct list_head vbl_wait;
284		struct list_head flip;
285	} nvsw;
286
287	struct {
288		bool active;
289		char name[32];
290		struct drm_info_list info;
291	} debugfs;
292};
293
294struct nouveau_instmem_engine {
295	void	*priv;
296
297	int	(*init)(struct drm_device *dev);
298	void	(*takedown)(struct drm_device *dev);
299	int	(*suspend)(struct drm_device *dev);
300	void	(*resume)(struct drm_device *dev);
301
302	int	(*get)(struct nouveau_gpuobj *, u32 size, u32 align);
303	void	(*put)(struct nouveau_gpuobj *);
304	int	(*map)(struct nouveau_gpuobj *);
305	void	(*unmap)(struct nouveau_gpuobj *);
306
307	void	(*flush)(struct drm_device *);
308};
309
310struct nouveau_mc_engine {
311	int  (*init)(struct drm_device *dev);
312	void (*takedown)(struct drm_device *dev);
313};
314
315struct nouveau_timer_engine {
316	int      (*init)(struct drm_device *dev);
317	void     (*takedown)(struct drm_device *dev);
318	uint64_t (*read)(struct drm_device *dev);
319};
320
321struct nouveau_fb_engine {
322	int num_tiles;
323	struct drm_mm tag_heap;
324	void *priv;
325
326	int  (*init)(struct drm_device *dev);
327	void (*takedown)(struct drm_device *dev);
328
329	void (*init_tile_region)(struct drm_device *dev, int i,
330				 uint32_t addr, uint32_t size,
331				 uint32_t pitch, uint32_t flags);
332	void (*set_tile_region)(struct drm_device *dev, int i);
333	void (*free_tile_region)(struct drm_device *dev, int i);
334};
335
336struct nouveau_fifo_engine {
337	int  channels;
338
339	struct nouveau_gpuobj *playlist[2];
340	int cur_playlist;
341
342	int  (*init)(struct drm_device *);
343	void (*takedown)(struct drm_device *);
344
345	void (*disable)(struct drm_device *);
346	void (*enable)(struct drm_device *);
347	bool (*reassign)(struct drm_device *, bool enable);
348	bool (*cache_pull)(struct drm_device *dev, bool enable);
349
350	int  (*channel_id)(struct drm_device *);
351
352	int  (*create_context)(struct nouveau_channel *);
353	void (*destroy_context)(struct nouveau_channel *);
354	int  (*load_context)(struct nouveau_channel *);
355	int  (*unload_context)(struct drm_device *);
356	void (*tlb_flush)(struct drm_device *dev);
357};
358
359struct nouveau_pgraph_engine {
360	bool accel_blocked;
361	bool registered;
362	int grctx_size;
363
364	/* NV2x/NV3x context table (0x400780) */
365	struct nouveau_gpuobj *ctx_table;
366
367	int  (*init)(struct drm_device *);
368	void (*takedown)(struct drm_device *);
369
370	void (*fifo_access)(struct drm_device *, bool);
371
372	struct nouveau_channel *(*channel)(struct drm_device *);
373	int  (*create_context)(struct nouveau_channel *);
374	void (*destroy_context)(struct nouveau_channel *);
375	int  (*load_context)(struct nouveau_channel *);
376	int  (*unload_context)(struct drm_device *);
377	void (*tlb_flush)(struct drm_device *dev);
378
379	void (*set_tile_region)(struct drm_device *dev, int i);
380};
381
382struct nouveau_display_engine {
383	int (*early_init)(struct drm_device *);
384	void (*late_takedown)(struct drm_device *);
385	int (*create)(struct drm_device *);
386	int (*init)(struct drm_device *);
387	void (*destroy)(struct drm_device *);
388};
389
390struct nouveau_gpio_engine {
391	void *priv;
392
393	int  (*init)(struct drm_device *);
394	void (*takedown)(struct drm_device *);
395
396	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
397	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
398
399	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
400			     void (*)(void *, int), void *);
401	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
402			       void (*)(void *, int), void *);
403	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
404};
405
406struct nouveau_pm_voltage_level {
407	u8 voltage;
408	u8 vid;
409};
410
411struct nouveau_pm_voltage {
412	bool supported;
413	u8 vid_mask;
414
415	struct nouveau_pm_voltage_level *level;
416	int nr_level;
417};
418
419#define NOUVEAU_PM_MAX_LEVEL 8
420struct nouveau_pm_level {
421	struct device_attribute dev_attr;
422	char name[32];
423	int id;
424
425	u32 core;
426	u32 memory;
427	u32 shader;
428	u32 unk05;
429
430	u8 voltage;
431	u8 fanspeed;
432
433	u16 memscript;
434};
435
436struct nouveau_pm_temp_sensor_constants {
437	u16 offset_constant;
438	s16 offset_mult;
439	u16 offset_div;
440	u16 slope_mult;
441	u16 slope_div;
442};
443
444struct nouveau_pm_threshold_temp {
445	s16 critical;
446	s16 down_clock;
447	s16 fan_boost;
448};
449
450struct nouveau_pm_memtiming {
451	u32 reg_100220;
452	u32 reg_100224;
453	u32 reg_100228;
454	u32 reg_10022c;
455	u32 reg_100230;
456	u32 reg_100234;
457	u32 reg_100238;
458	u32 reg_10023c;
459};
460
461struct nouveau_pm_memtimings {
462	bool supported;
463	struct nouveau_pm_memtiming *timing;
464	int nr_timing;
465};
466
467struct nouveau_pm_engine {
468	struct nouveau_pm_voltage voltage;
469	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
470	int nr_perflvl;
471	struct nouveau_pm_memtimings memtimings;
472	struct nouveau_pm_temp_sensor_constants sensor_constants;
473	struct nouveau_pm_threshold_temp threshold_temp;
474
475	struct nouveau_pm_level boot;
476	struct nouveau_pm_level *cur;
477
478	struct device *hwmon;
479	struct notifier_block acpi_nb;
480
481	int (*clock_get)(struct drm_device *, u32 id);
482	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
483			   u32 id, int khz);
484	void (*clock_set)(struct drm_device *, void *);
485	int (*voltage_get)(struct drm_device *);
486	int (*voltage_set)(struct drm_device *, int voltage);
487	int (*fanspeed_get)(struct drm_device *);
488	int (*fanspeed_set)(struct drm_device *, int fanspeed);
489	int (*temp_get)(struct drm_device *);
490};
491
492struct nouveau_crypt_engine {
493	bool registered;
494
495	int  (*init)(struct drm_device *);
496	void (*takedown)(struct drm_device *);
497	int  (*create_context)(struct nouveau_channel *);
498	void (*destroy_context)(struct nouveau_channel *);
499	void (*tlb_flush)(struct drm_device *dev);
500};
501
502struct nouveau_engine {
503	struct nouveau_instmem_engine instmem;
504	struct nouveau_mc_engine      mc;
505	struct nouveau_timer_engine   timer;
506	struct nouveau_fb_engine      fb;
507	struct nouveau_pgraph_engine  graph;
508	struct nouveau_fifo_engine    fifo;
509	struct nouveau_display_engine display;
510	struct nouveau_gpio_engine    gpio;
511	struct nouveau_pm_engine      pm;
512	struct nouveau_crypt_engine   crypt;
513};
514
515struct nouveau_pll_vals {
516	union {
517		struct {
518#ifdef __BIG_ENDIAN
519			uint8_t N1, M1, N2, M2;
520#else
521			uint8_t M1, N1, M2, N2;
522#endif
523		};
524		struct {
525			uint16_t NM1, NM2;
526		} __attribute__((packed));
527	};
528	int log2P;
529
530	int refclk;
531};
532
533enum nv04_fp_display_regs {
534	FP_DISPLAY_END,
535	FP_TOTAL,
536	FP_CRTC,
537	FP_SYNC_START,
538	FP_SYNC_END,
539	FP_VALID_START,
540	FP_VALID_END
541};
542
543struct nv04_crtc_reg {
544	unsigned char MiscOutReg;
545	uint8_t CRTC[0xa0];
546	uint8_t CR58[0x10];
547	uint8_t Sequencer[5];
548	uint8_t Graphics[9];
549	uint8_t Attribute[21];
550	unsigned char DAC[768];
551
552	/* PCRTC regs */
553	uint32_t fb_start;
554	uint32_t crtc_cfg;
555	uint32_t cursor_cfg;
556	uint32_t gpio_ext;
557	uint32_t crtc_830;
558	uint32_t crtc_834;
559	uint32_t crtc_850;
560	uint32_t crtc_eng_ctrl;
561
562	/* PRAMDAC regs */
563	uint32_t nv10_cursync;
564	struct nouveau_pll_vals pllvals;
565	uint32_t ramdac_gen_ctrl;
566	uint32_t ramdac_630;
567	uint32_t ramdac_634;
568	uint32_t tv_setup;
569	uint32_t tv_vtotal;
570	uint32_t tv_vskew;
571	uint32_t tv_vsync_delay;
572	uint32_t tv_htotal;
573	uint32_t tv_hskew;
574	uint32_t tv_hsync_delay;
575	uint32_t tv_hsync_delay2;
576	uint32_t fp_horiz_regs[7];
577	uint32_t fp_vert_regs[7];
578	uint32_t dither;
579	uint32_t fp_control;
580	uint32_t dither_regs[6];
581	uint32_t fp_debug_0;
582	uint32_t fp_debug_1;
583	uint32_t fp_debug_2;
584	uint32_t fp_margin_color;
585	uint32_t ramdac_8c0;
586	uint32_t ramdac_a20;
587	uint32_t ramdac_a24;
588	uint32_t ramdac_a34;
589	uint32_t ctv_regs[38];
590};
591
592struct nv04_output_reg {
593	uint32_t output;
594	int head;
595};
596
597struct nv04_mode_state {
598	struct nv04_crtc_reg crtc_reg[2];
599	uint32_t pllsel;
600	uint32_t sel_clk;
601};
602
603enum nouveau_card_type {
604	NV_04      = 0x00,
605	NV_10      = 0x10,
606	NV_20      = 0x20,
607	NV_30      = 0x30,
608	NV_40      = 0x40,
609	NV_50      = 0x50,
610	NV_C0      = 0xc0,
611};
612
613struct drm_nouveau_private {
614	struct drm_device *dev;
615
616	/* the card type, takes NV_* as values */
617	enum nouveau_card_type card_type;
618	/* exact chipset, derived from NV_PMC_BOOT_0 */
619	int chipset;
620	int flags;
621
622	void __iomem *mmio;
623
624	spinlock_t ramin_lock;
625	void __iomem *ramin;
626	u32 ramin_size;
627	u32 ramin_base;
628	bool ramin_available;
629	struct drm_mm ramin_heap;
630	struct list_head gpuobj_list;
631	struct list_head classes;
632
633	struct nouveau_bo *vga_ram;
634
635	/* interrupt handling */
636	void (*irq_handler[32])(struct drm_device *);
637	bool msi_enabled;
638	struct workqueue_struct *wq;
639	struct work_struct irq_work;
640
641	struct list_head vbl_waiting;
642
643	struct {
644		struct drm_global_reference mem_global_ref;
645		struct ttm_bo_global_ref bo_global_ref;
646		struct ttm_bo_device bdev;
647		atomic_t validate_sequence;
648	} ttm;
649
650	struct {
651		spinlock_t lock;
652		struct drm_mm heap;
653		struct nouveau_bo *bo;
654	} fence;
655
656	struct {
657		spinlock_t lock;
658		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
659	} channels;
660
661	struct nouveau_engine engine;
662	struct nouveau_channel *channel;
663
664	/* For PFIFO and PGRAPH. */
665	spinlock_t context_switch_lock;
666
667	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
668	struct nouveau_ramht  *ramht;
669	struct nouveau_gpuobj *ramfc;
670	struct nouveau_gpuobj *ramro;
671
672	uint32_t ramin_rsvd_vram;
673
674	struct {
675		enum {
676			NOUVEAU_GART_NONE = 0,
677			NOUVEAU_GART_AGP,
678			NOUVEAU_GART_SGDMA
679		} type;
680		uint64_t aper_base;
681		uint64_t aper_size;
682		uint64_t aper_free;
683
684		struct nouveau_gpuobj *sg_ctxdma;
685	} gart_info;
686
687	/* nv10-nv40 tiling regions */
688	struct {
689		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
690		spinlock_t lock;
691	} tile;
692
693	/* VRAM/fb configuration */
694	uint64_t vram_size;
695	uint64_t vram_sys_base;
696	u32 vram_rblock_size;
697
698	uint64_t fb_phys;
699	uint64_t fb_available_size;
700	uint64_t fb_mappable_pages;
701	uint64_t fb_aper_free;
702	int fb_mtrr;
703
704	/* G8x/G9x virtual address space */
705	uint64_t vm_gart_base;
706	uint64_t vm_gart_size;
707	uint64_t vm_vram_base;
708	uint64_t vm_vram_size;
709	uint64_t vm_end;
710	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
711	int vm_vram_pt_nr;
712
713	struct nvbios vbios;
714
715	struct nv04_mode_state mode_reg;
716	struct nv04_mode_state saved_reg;
717	uint32_t saved_vga_font[4][16384];
718	uint32_t crtc_owner;
719	uint32_t dac_users[4];
720
721	struct nouveau_suspend_resume {
722		uint32_t *ramin_copy;
723	} susres;
724
725	struct backlight_device *backlight;
726
727	struct nouveau_channel *evo;
728	u32 evo_alloc;
729	struct {
730		struct dcb_entry *dcb;
731		u16 script;
732		u32 pclk;
733	} evo_irq;
734
735	struct {
736		struct dentry *channel_root;
737	} debugfs;
738
739	struct nouveau_fbdev *nfbdev;
740	struct apertures_struct *apertures;
741};
742
743static inline struct drm_nouveau_private *
744nouveau_private(struct drm_device *dev)
745{
746	return dev->dev_private;
747}
748
749static inline struct drm_nouveau_private *
750nouveau_bdev(struct ttm_bo_device *bd)
751{
752	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
753}
754
755static inline int
756nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
757{
758	struct nouveau_bo *prev;
759
760	if (!pnvbo)
761		return -EINVAL;
762	prev = *pnvbo;
763
764	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
765	if (prev) {
766		struct ttm_buffer_object *bo = &prev->bo;
767
768		ttm_bo_unref(&bo);
769	}
770
771	return 0;
772}
773
774/* nouveau_drv.c */
775extern int nouveau_agpmode;
776extern int nouveau_duallink;
777extern int nouveau_uscript_lvds;
778extern int nouveau_uscript_tmds;
779extern int nouveau_vram_pushbuf;
780extern int nouveau_vram_notify;
781extern int nouveau_fbpercrtc;
782extern int nouveau_tv_disable;
783extern char *nouveau_tv_norm;
784extern int nouveau_reg_debug;
785extern char *nouveau_vbios;
786extern int nouveau_ignorelid;
787extern int nouveau_nofbaccel;
788extern int nouveau_noaccel;
789extern int nouveau_force_post;
790extern int nouveau_override_conntype;
791extern char *nouveau_perflvl;
792extern int nouveau_perflvl_wr;
793extern int nouveau_msi;
794
795extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
796extern int nouveau_pci_resume(struct pci_dev *pdev);
797
798/* nouveau_state.c */
799extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
800extern int  nouveau_load(struct drm_device *, unsigned long flags);
801extern int  nouveau_firstopen(struct drm_device *);
802extern void nouveau_lastclose(struct drm_device *);
803extern int  nouveau_unload(struct drm_device *);
804extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
805				   struct drm_file *);
806extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
807				   struct drm_file *);
808extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
809			    uint32_t reg, uint32_t mask, uint32_t val);
810extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
811			    uint32_t reg, uint32_t mask, uint32_t val);
812extern bool nouveau_wait_for_idle(struct drm_device *);
813extern int  nouveau_card_init(struct drm_device *);
814
815/* nouveau_mem.c */
816extern int  nouveau_mem_vram_init(struct drm_device *);
817extern void nouveau_mem_vram_fini(struct drm_device *);
818extern int  nouveau_mem_gart_init(struct drm_device *);
819extern void nouveau_mem_gart_fini(struct drm_device *);
820extern int  nouveau_mem_init_agp(struct drm_device *);
821extern int  nouveau_mem_reset_agp(struct drm_device *);
822extern void nouveau_mem_close(struct drm_device *);
823extern struct nouveau_tile_reg *nv10_mem_set_tiling(
824	struct drm_device *dev, uint32_t addr, uint32_t size,
825	uint32_t pitch, uint32_t flags);
826extern void nv10_mem_put_tile_region(struct drm_device *dev,
827				     struct nouveau_tile_reg *tile,
828				     struct nouveau_fence *fence);
829extern int  nv50_mem_vm_bind_linear(struct drm_device *, uint64_t virt,
830				    uint32_t size, uint32_t flags,
831				    uint64_t phys);
832extern void nv50_mem_vm_unbind(struct drm_device *, uint64_t virt,
833			       uint32_t size);
834extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
835
836/* nouveau_notifier.c */
837extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
838extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
839extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
840				   int cout, uint32_t *offset);
841extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
842extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
843					 struct drm_file *);
844extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
845					struct drm_file *);
846
847/* nouveau_channel.c */
848extern struct drm_ioctl_desc nouveau_ioctls[];
849extern int nouveau_max_ioctl;
850extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
851extern int  nouveau_channel_alloc(struct drm_device *dev,
852				  struct nouveau_channel **chan,
853				  struct drm_file *file_priv,
854				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
855extern struct nouveau_channel *
856nouveau_channel_get_unlocked(struct nouveau_channel *);
857extern struct nouveau_channel *
858nouveau_channel_get(struct drm_device *, struct drm_file *, int id);
859extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
860extern void nouveau_channel_put(struct nouveau_channel **);
861extern void nouveau_channel_ref(struct nouveau_channel *chan,
862				struct nouveau_channel **pchan);
863extern void nouveau_channel_idle(struct nouveau_channel *chan);
864
865/* nouveau_object.c */
866#define NVOBJ_CLASS(d,c,e) do {                                                \
867	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
868	if (ret)                                                               \
869		return ret;                                                    \
870} while(0)
871
872#define NVOBJ_MTHD(d,c,m,e) do {                                               \
873	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
874	if (ret)                                                               \
875		return ret;                                                    \
876} while(0)
877
878extern int  nouveau_gpuobj_early_init(struct drm_device *);
879extern int  nouveau_gpuobj_init(struct drm_device *);
880extern void nouveau_gpuobj_takedown(struct drm_device *);
881extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
882extern void nouveau_gpuobj_resume(struct drm_device *dev);
883extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
884extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
885				    int (*exec)(struct nouveau_channel *,
886					        u32 class, u32 mthd, u32 data));
887extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
888extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
889extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
890				       uint32_t vram_h, uint32_t tt_h);
891extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
892extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
893			      uint32_t size, int align, uint32_t flags,
894			      struct nouveau_gpuobj **);
895extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
896			       struct nouveau_gpuobj **);
897extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
898				   u32 size, u32 flags,
899				   struct nouveau_gpuobj **);
900extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
901				  uint64_t offset, uint64_t size, int access,
902				  int target, struct nouveau_gpuobj **);
903extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
904extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
905			       u64 size, int target, int access, u32 type,
906			       u32 comp, struct nouveau_gpuobj **pobj);
907extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
908				 int class, u64 base, u64 size, int target,
909				 int access, u32 type, u32 comp);
910extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
911				     struct drm_file *);
912extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
913				     struct drm_file *);
914
915/* nouveau_irq.c */
916extern int         nouveau_irq_init(struct drm_device *);
917extern void        nouveau_irq_fini(struct drm_device *);
918extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
919extern void        nouveau_irq_register(struct drm_device *, int status_bit,
920					void (*)(struct drm_device *));
921extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
922extern void        nouveau_irq_preinstall(struct drm_device *);
923extern int         nouveau_irq_postinstall(struct drm_device *);
924extern void        nouveau_irq_uninstall(struct drm_device *);
925
926/* nouveau_sgdma.c */
927extern int nouveau_sgdma_init(struct drm_device *);
928extern void nouveau_sgdma_takedown(struct drm_device *);
929extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
930				  uint32_t *page);
931extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
932
933/* nouveau_debugfs.c */
934#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
935extern int  nouveau_debugfs_init(struct drm_minor *);
936extern void nouveau_debugfs_takedown(struct drm_minor *);
937extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
938extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
939#else
940static inline int
941nouveau_debugfs_init(struct drm_minor *minor)
942{
943	return 0;
944}
945
946static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
947{
948}
949
950static inline int
951nouveau_debugfs_channel_init(struct nouveau_channel *chan)
952{
953	return 0;
954}
955
956static inline void
957nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
958{
959}
960#endif
961
962/* nouveau_dma.c */
963extern void nouveau_dma_pre_init(struct nouveau_channel *);
964extern int  nouveau_dma_init(struct nouveau_channel *);
965extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
966
967/* nouveau_acpi.c */
968#define ROM_BIOS_PAGE 4096
969#if defined(CONFIG_ACPI)
970void nouveau_register_dsm_handler(void);
971void nouveau_unregister_dsm_handler(void);
972int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
973bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
974int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
975#else
976static inline void nouveau_register_dsm_handler(void) {}
977static inline void nouveau_unregister_dsm_handler(void) {}
978static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
979static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
980static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
981#endif
982
983/* nouveau_backlight.c */
984#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
985extern int nouveau_backlight_init(struct drm_device *);
986extern void nouveau_backlight_exit(struct drm_device *);
987#else
988static inline int nouveau_backlight_init(struct drm_device *dev)
989{
990	return 0;
991}
992
993static inline void nouveau_backlight_exit(struct drm_device *dev) { }
994#endif
995
996/* nouveau_bios.c */
997extern int nouveau_bios_init(struct drm_device *);
998extern void nouveau_bios_takedown(struct drm_device *dev);
999extern int nouveau_run_vbios_init(struct drm_device *);
1000extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1001					struct dcb_entry *);
1002extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1003						      enum dcb_gpio_tag);
1004extern struct dcb_connector_table_entry *
1005nouveau_bios_connector_entry(struct drm_device *, int index);
1006extern u32 get_pll_register(struct drm_device *, enum pll_types);
1007extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1008			  struct pll_lims *);
1009extern int nouveau_bios_run_display_table(struct drm_device *,
1010					  struct dcb_entry *,
1011					  uint32_t script, int pxclk);
1012extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1013				   int *length);
1014extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1015extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1016extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1017					 bool *dl, bool *if_is_24bit);
1018extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1019			  int head, int pxclk);
1020extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1021			    enum LVDS_script, int pxclk);
1022
1023/* nouveau_ttm.c */
1024int nouveau_ttm_global_init(struct drm_nouveau_private *);
1025void nouveau_ttm_global_release(struct drm_nouveau_private *);
1026int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1027
1028/* nouveau_dp.c */
1029int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1030		     uint8_t *data, int data_nr);
1031bool nouveau_dp_detect(struct drm_encoder *);
1032bool nouveau_dp_link_train(struct drm_encoder *);
1033
1034/* nv04_fb.c */
1035extern int  nv04_fb_init(struct drm_device *);
1036extern void nv04_fb_takedown(struct drm_device *);
1037
1038/* nv10_fb.c */
1039extern int  nv10_fb_init(struct drm_device *);
1040extern void nv10_fb_takedown(struct drm_device *);
1041extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1042				     uint32_t addr, uint32_t size,
1043				     uint32_t pitch, uint32_t flags);
1044extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1045extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1046
1047/* nv30_fb.c */
1048extern int  nv30_fb_init(struct drm_device *);
1049extern void nv30_fb_takedown(struct drm_device *);
1050extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1051				     uint32_t addr, uint32_t size,
1052				     uint32_t pitch, uint32_t flags);
1053extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1054
1055/* nv40_fb.c */
1056extern int  nv40_fb_init(struct drm_device *);
1057extern void nv40_fb_takedown(struct drm_device *);
1058extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1059
1060/* nv50_fb.c */
1061extern int  nv50_fb_init(struct drm_device *);
1062extern void nv50_fb_takedown(struct drm_device *);
1063extern void nv50_fb_vm_trap(struct drm_device *, int display, const char *);
1064
1065/* nvc0_fb.c */
1066extern int  nvc0_fb_init(struct drm_device *);
1067extern void nvc0_fb_takedown(struct drm_device *);
1068
1069/* nv04_fifo.c */
1070extern int  nv04_fifo_init(struct drm_device *);
1071extern void nv04_fifo_fini(struct drm_device *);
1072extern void nv04_fifo_disable(struct drm_device *);
1073extern void nv04_fifo_enable(struct drm_device *);
1074extern bool nv04_fifo_reassign(struct drm_device *, bool);
1075extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1076extern int  nv04_fifo_channel_id(struct drm_device *);
1077extern int  nv04_fifo_create_context(struct nouveau_channel *);
1078extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1079extern int  nv04_fifo_load_context(struct nouveau_channel *);
1080extern int  nv04_fifo_unload_context(struct drm_device *);
1081extern void nv04_fifo_isr(struct drm_device *);
1082
1083/* nv10_fifo.c */
1084extern int  nv10_fifo_init(struct drm_device *);
1085extern int  nv10_fifo_channel_id(struct drm_device *);
1086extern int  nv10_fifo_create_context(struct nouveau_channel *);
1087extern int  nv10_fifo_load_context(struct nouveau_channel *);
1088extern int  nv10_fifo_unload_context(struct drm_device *);
1089
1090/* nv40_fifo.c */
1091extern int  nv40_fifo_init(struct drm_device *);
1092extern int  nv40_fifo_create_context(struct nouveau_channel *);
1093extern int  nv40_fifo_load_context(struct nouveau_channel *);
1094extern int  nv40_fifo_unload_context(struct drm_device *);
1095
1096/* nv50_fifo.c */
1097extern int  nv50_fifo_init(struct drm_device *);
1098extern void nv50_fifo_takedown(struct drm_device *);
1099extern int  nv50_fifo_channel_id(struct drm_device *);
1100extern int  nv50_fifo_create_context(struct nouveau_channel *);
1101extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1102extern int  nv50_fifo_load_context(struct nouveau_channel *);
1103extern int  nv50_fifo_unload_context(struct drm_device *);
1104extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1105
1106/* nvc0_fifo.c */
1107extern int  nvc0_fifo_init(struct drm_device *);
1108extern void nvc0_fifo_takedown(struct drm_device *);
1109extern void nvc0_fifo_disable(struct drm_device *);
1110extern void nvc0_fifo_enable(struct drm_device *);
1111extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1112extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1113extern int  nvc0_fifo_channel_id(struct drm_device *);
1114extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1115extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1116extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1117extern int  nvc0_fifo_unload_context(struct drm_device *);
1118
1119/* nv04_graph.c */
1120extern int  nv04_graph_init(struct drm_device *);
1121extern void nv04_graph_takedown(struct drm_device *);
1122extern void nv04_graph_fifo_access(struct drm_device *, bool);
1123extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
1124extern int  nv04_graph_create_context(struct nouveau_channel *);
1125extern void nv04_graph_destroy_context(struct nouveau_channel *);
1126extern int  nv04_graph_load_context(struct nouveau_channel *);
1127extern int  nv04_graph_unload_context(struct drm_device *);
1128extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1129				      u32 class, u32 mthd, u32 data);
1130extern struct nouveau_bitfield nv04_graph_nsource[];
1131
1132/* nv10_graph.c */
1133extern int  nv10_graph_init(struct drm_device *);
1134extern void nv10_graph_takedown(struct drm_device *);
1135extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1136extern int  nv10_graph_create_context(struct nouveau_channel *);
1137extern void nv10_graph_destroy_context(struct nouveau_channel *);
1138extern int  nv10_graph_load_context(struct nouveau_channel *);
1139extern int  nv10_graph_unload_context(struct drm_device *);
1140extern void nv10_graph_set_tile_region(struct drm_device *dev, int i);
1141extern struct nouveau_bitfield nv10_graph_intr[];
1142extern struct nouveau_bitfield nv10_graph_nstatus[];
1143
1144/* nv20_graph.c */
1145extern int  nv20_graph_create_context(struct nouveau_channel *);
1146extern void nv20_graph_destroy_context(struct nouveau_channel *);
1147extern int  nv20_graph_load_context(struct nouveau_channel *);
1148extern int  nv20_graph_unload_context(struct drm_device *);
1149extern int  nv20_graph_init(struct drm_device *);
1150extern void nv20_graph_takedown(struct drm_device *);
1151extern int  nv30_graph_init(struct drm_device *);
1152extern void nv20_graph_set_tile_region(struct drm_device *dev, int i);
1153
1154/* nv40_graph.c */
1155extern int  nv40_graph_init(struct drm_device *);
1156extern void nv40_graph_takedown(struct drm_device *);
1157extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1158extern int  nv40_graph_create_context(struct nouveau_channel *);
1159extern void nv40_graph_destroy_context(struct nouveau_channel *);
1160extern int  nv40_graph_load_context(struct nouveau_channel *);
1161extern int  nv40_graph_unload_context(struct drm_device *);
1162extern void nv40_grctx_init(struct nouveau_grctx *);
1163extern void nv40_graph_set_tile_region(struct drm_device *dev, int i);
1164
1165/* nv50_graph.c */
1166extern int  nv50_graph_init(struct drm_device *);
1167extern void nv50_graph_takedown(struct drm_device *);
1168extern void nv50_graph_fifo_access(struct drm_device *, bool);
1169extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1170extern int  nv50_graph_create_context(struct nouveau_channel *);
1171extern void nv50_graph_destroy_context(struct nouveau_channel *);
1172extern int  nv50_graph_load_context(struct nouveau_channel *);
1173extern int  nv50_graph_unload_context(struct drm_device *);
1174extern int  nv50_grctx_init(struct nouveau_grctx *);
1175extern void nv50_graph_tlb_flush(struct drm_device *dev);
1176extern void nv86_graph_tlb_flush(struct drm_device *dev);
1177
1178/* nvc0_graph.c */
1179extern int  nvc0_graph_init(struct drm_device *);
1180extern void nvc0_graph_takedown(struct drm_device *);
1181extern void nvc0_graph_fifo_access(struct drm_device *, bool);
1182extern struct nouveau_channel *nvc0_graph_channel(struct drm_device *);
1183extern int  nvc0_graph_create_context(struct nouveau_channel *);
1184extern void nvc0_graph_destroy_context(struct nouveau_channel *);
1185extern int  nvc0_graph_load_context(struct nouveau_channel *);
1186extern int  nvc0_graph_unload_context(struct drm_device *);
1187
1188/* nv84_crypt.c */
1189extern int  nv84_crypt_init(struct drm_device *dev);
1190extern void nv84_crypt_fini(struct drm_device *dev);
1191extern int  nv84_crypt_create_context(struct nouveau_channel *);
1192extern void nv84_crypt_destroy_context(struct nouveau_channel *);
1193extern void nv84_crypt_tlb_flush(struct drm_device *dev);
1194
1195/* nv04_instmem.c */
1196extern int  nv04_instmem_init(struct drm_device *);
1197extern void nv04_instmem_takedown(struct drm_device *);
1198extern int  nv04_instmem_suspend(struct drm_device *);
1199extern void nv04_instmem_resume(struct drm_device *);
1200extern int  nv04_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1201extern void nv04_instmem_put(struct nouveau_gpuobj *);
1202extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1203extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1204extern void nv04_instmem_flush(struct drm_device *);
1205
1206/* nv50_instmem.c */
1207extern int  nv50_instmem_init(struct drm_device *);
1208extern void nv50_instmem_takedown(struct drm_device *);
1209extern int  nv50_instmem_suspend(struct drm_device *);
1210extern void nv50_instmem_resume(struct drm_device *);
1211extern int  nv50_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1212extern void nv50_instmem_put(struct nouveau_gpuobj *);
1213extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1214extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1215extern void nv50_instmem_flush(struct drm_device *);
1216extern void nv84_instmem_flush(struct drm_device *);
1217
1218/* nvc0_instmem.c */
1219extern int  nvc0_instmem_init(struct drm_device *);
1220extern void nvc0_instmem_takedown(struct drm_device *);
1221extern int  nvc0_instmem_suspend(struct drm_device *);
1222extern void nvc0_instmem_resume(struct drm_device *);
1223extern int  nvc0_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1224extern void nvc0_instmem_put(struct nouveau_gpuobj *);
1225extern int  nvc0_instmem_map(struct nouveau_gpuobj *);
1226extern void nvc0_instmem_unmap(struct nouveau_gpuobj *);
1227extern void nvc0_instmem_flush(struct drm_device *);
1228
1229/* nv04_mc.c */
1230extern int  nv04_mc_init(struct drm_device *);
1231extern void nv04_mc_takedown(struct drm_device *);
1232
1233/* nv40_mc.c */
1234extern int  nv40_mc_init(struct drm_device *);
1235extern void nv40_mc_takedown(struct drm_device *);
1236
1237/* nv50_mc.c */
1238extern int  nv50_mc_init(struct drm_device *);
1239extern void nv50_mc_takedown(struct drm_device *);
1240
1241/* nv04_timer.c */
1242extern int  nv04_timer_init(struct drm_device *);
1243extern uint64_t nv04_timer_read(struct drm_device *);
1244extern void nv04_timer_takedown(struct drm_device *);
1245
1246extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1247				 unsigned long arg);
1248
1249/* nv04_dac.c */
1250extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1251extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1252extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1253extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1254extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1255
1256/* nv04_dfp.c */
1257extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1258extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1259extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1260			       int head, bool dl);
1261extern void nv04_dfp_disable(struct drm_device *dev, int head);
1262extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1263
1264/* nv04_tv.c */
1265extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1266extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1267
1268/* nv17_tv.c */
1269extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1270
1271/* nv04_display.c */
1272extern int nv04_display_early_init(struct drm_device *);
1273extern void nv04_display_late_takedown(struct drm_device *);
1274extern int nv04_display_create(struct drm_device *);
1275extern int nv04_display_init(struct drm_device *);
1276extern void nv04_display_destroy(struct drm_device *);
1277
1278/* nv04_crtc.c */
1279extern int nv04_crtc_create(struct drm_device *, int index);
1280
1281/* nouveau_bo.c */
1282extern struct ttm_bo_driver nouveau_bo_driver;
1283extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1284			  int size, int align, uint32_t flags,
1285			  uint32_t tile_mode, uint32_t tile_flags,
1286			  bool no_vm, bool mappable, struct nouveau_bo **);
1287extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1288extern int nouveau_bo_unpin(struct nouveau_bo *);
1289extern int nouveau_bo_map(struct nouveau_bo *);
1290extern void nouveau_bo_unmap(struct nouveau_bo *);
1291extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1292				     uint32_t busy);
1293extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1294extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1295extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1296extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1297extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1298extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1299			       bool no_wait_reserve, bool no_wait_gpu);
1300
1301/* nouveau_fence.c */
1302struct nouveau_fence;
1303extern int nouveau_fence_init(struct drm_device *);
1304extern void nouveau_fence_fini(struct drm_device *);
1305extern int nouveau_fence_channel_init(struct nouveau_channel *);
1306extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1307extern void nouveau_fence_update(struct nouveau_channel *);
1308extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1309			     bool emit);
1310extern int nouveau_fence_emit(struct nouveau_fence *);
1311extern void nouveau_fence_work(struct nouveau_fence *fence,
1312			       void (*work)(void *priv, bool signalled),
1313			       void *priv);
1314struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1315
1316extern bool __nouveau_fence_signalled(void *obj, void *arg);
1317extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1318extern int __nouveau_fence_flush(void *obj, void *arg);
1319extern void __nouveau_fence_unref(void **obj);
1320extern void *__nouveau_fence_ref(void *obj);
1321
1322static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1323{
1324	return __nouveau_fence_signalled(obj, NULL);
1325}
1326static inline int
1327nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1328{
1329	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1330}
1331extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1332static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1333{
1334	return __nouveau_fence_flush(obj, NULL);
1335}
1336static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1337{
1338	__nouveau_fence_unref((void **)obj);
1339}
1340static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1341{
1342	return __nouveau_fence_ref(obj);
1343}
1344
1345/* nouveau_gem.c */
1346extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1347			   int size, int align, uint32_t flags,
1348			   uint32_t tile_mode, uint32_t tile_flags,
1349			   bool no_vm, bool mappable, struct nouveau_bo **);
1350extern int nouveau_gem_object_new(struct drm_gem_object *);
1351extern void nouveau_gem_object_del(struct drm_gem_object *);
1352extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1353				 struct drm_file *);
1354extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1355				     struct drm_file *);
1356extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1357				      struct drm_file *);
1358extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1359				      struct drm_file *);
1360extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1361				  struct drm_file *);
1362
1363/* nouveau_display.c */
1364int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1365void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1366int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1367			   struct drm_pending_vblank_event *event);
1368int nouveau_finish_page_flip(struct nouveau_channel *,
1369			     struct nouveau_page_flip_state *);
1370
1371/* nv10_gpio.c */
1372int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1373int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1374
1375/* nv50_gpio.c */
1376int nv50_gpio_init(struct drm_device *dev);
1377void nv50_gpio_fini(struct drm_device *dev);
1378int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1379int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1380int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1381			    void (*)(void *, int), void *);
1382void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1383			      void (*)(void *, int), void *);
1384bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1385
1386/* nv50_calc. */
1387int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1388		  int *N1, int *M1, int *N2, int *M2, int *P);
1389int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1390		   int clk, int *N, int *fN, int *M, int *P);
1391
1392#ifndef ioread32_native
1393#ifdef __BIG_ENDIAN
1394#define ioread16_native ioread16be
1395#define iowrite16_native iowrite16be
1396#define ioread32_native  ioread32be
1397#define iowrite32_native iowrite32be
1398#else /* def __BIG_ENDIAN */
1399#define ioread16_native ioread16
1400#define iowrite16_native iowrite16
1401#define ioread32_native  ioread32
1402#define iowrite32_native iowrite32
1403#endif /* def __BIG_ENDIAN else */
1404#endif /* !ioread32_native */
1405
1406/* channel control reg access */
1407static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1408{
1409	return ioread32_native(chan->user + reg);
1410}
1411
1412static inline void nvchan_wr32(struct nouveau_channel *chan,
1413							unsigned reg, u32 val)
1414{
1415	iowrite32_native(val, chan->user + reg);
1416}
1417
1418/* register access */
1419static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1420{
1421	struct drm_nouveau_private *dev_priv = dev->dev_private;
1422	return ioread32_native(dev_priv->mmio + reg);
1423}
1424
1425static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1426{
1427	struct drm_nouveau_private *dev_priv = dev->dev_private;
1428	iowrite32_native(val, dev_priv->mmio + reg);
1429}
1430
1431static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1432{
1433	u32 tmp = nv_rd32(dev, reg);
1434	nv_wr32(dev, reg, (tmp & ~mask) | val);
1435	return tmp;
1436}
1437
1438static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1439{
1440	struct drm_nouveau_private *dev_priv = dev->dev_private;
1441	return ioread8(dev_priv->mmio + reg);
1442}
1443
1444static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1445{
1446	struct drm_nouveau_private *dev_priv = dev->dev_private;
1447	iowrite8(val, dev_priv->mmio + reg);
1448}
1449
1450#define nv_wait(dev, reg, mask, val) \
1451	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1452#define nv_wait_ne(dev, reg, mask, val) \
1453	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1454
1455/* PRAMIN access */
1456static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1457{
1458	struct drm_nouveau_private *dev_priv = dev->dev_private;
1459	return ioread32_native(dev_priv->ramin + offset);
1460}
1461
1462static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1463{
1464	struct drm_nouveau_private *dev_priv = dev->dev_private;
1465	iowrite32_native(val, dev_priv->ramin + offset);
1466}
1467
1468/* object access */
1469extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1470extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1471
1472/*
1473 * Logging
1474 * Argument d is (struct drm_device *).
1475 */
1476#define NV_PRINTK(level, d, fmt, arg...) \
1477	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1478					pci_name(d->pdev), ##arg)
1479#ifndef NV_DEBUG_NOTRACE
1480#define NV_DEBUG(d, fmt, arg...) do {                                          \
1481	if (drm_debug & DRM_UT_DRIVER) {                                       \
1482		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1483			  __LINE__, ##arg);                                    \
1484	}                                                                      \
1485} while (0)
1486#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1487	if (drm_debug & DRM_UT_KMS) {                                          \
1488		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1489			  __LINE__, ##arg);                                    \
1490	}                                                                      \
1491} while (0)
1492#else
1493#define NV_DEBUG(d, fmt, arg...) do {                                          \
1494	if (drm_debug & DRM_UT_DRIVER)                                         \
1495		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1496} while (0)
1497#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1498	if (drm_debug & DRM_UT_KMS)                                            \
1499		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1500} while (0)
1501#endif
1502#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1503#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1504#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1505#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1506#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1507
1508/* nouveau_reg_debug bitmask */
1509enum {
1510	NOUVEAU_REG_DEBUG_MC             = 0x1,
1511	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1512	NOUVEAU_REG_DEBUG_FB             = 0x4,
1513	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1514	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1515	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1516	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1517	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1518	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1519	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1520};
1521
1522#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1523	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1524		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1525} while (0)
1526
1527static inline bool
1528nv_two_heads(struct drm_device *dev)
1529{
1530	struct drm_nouveau_private *dev_priv = dev->dev_private;
1531	const int impl = dev->pci_device & 0x0ff0;
1532
1533	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1534	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1535		return true;
1536
1537	return false;
1538}
1539
1540static inline bool
1541nv_gf4_disp_arch(struct drm_device *dev)
1542{
1543	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1544}
1545
1546static inline bool
1547nv_two_reg_pll(struct drm_device *dev)
1548{
1549	struct drm_nouveau_private *dev_priv = dev->dev_private;
1550	const int impl = dev->pci_device & 0x0ff0;
1551
1552	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1553		return true;
1554	return false;
1555}
1556
1557static inline bool
1558nv_match_device(struct drm_device *dev, unsigned device,
1559		unsigned sub_vendor, unsigned sub_device)
1560{
1561	return dev->pdev->device == device &&
1562		dev->pdev->subsystem_vendor == sub_vendor &&
1563		dev->pdev->subsystem_device == sub_device;
1564}
1565
1566/* memory type/access flags, do not match hardware values */
1567#define NV_MEM_ACCESS_RO  1
1568#define NV_MEM_ACCESS_WO  2
1569#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1570#define NV_MEM_ACCESS_SYS 4
1571#define NV_MEM_ACCESS_VM  8
1572
1573#define NV_MEM_TARGET_VRAM        0
1574#define NV_MEM_TARGET_PCI         1
1575#define NV_MEM_TARGET_PCI_NOSNOOP 2
1576#define NV_MEM_TARGET_VM          3
1577#define NV_MEM_TARGET_GART        4
1578
1579#define NV_MEM_TYPE_VM 0x7f
1580#define NV_MEM_COMP_VM 0x03
1581
1582/* NV_SW object class */
1583#define NV_SW                                                        0x0000506e
1584#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1585#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1586#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1587#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1588#define NV_SW_YIELD                                                  0x00000080
1589#define NV_SW_DMA_VBLSEM                                             0x0000018c
1590#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1591#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1592#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1593#define NV_SW_PAGE_FLIP                                              0x00000500
1594
1595#endif /* __NOUVEAU_DRV_H__ */
1596